implement Default traits

src/app/browser/window/tab/item/identity/gemini/widget/action.rs

@@ -8,6 +8,12 @@ pub struct Action {
     pub update: Rc<Update>,
 }
 
+impl Default for Action {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl Action {
     // Constructors
 

src/app/browser/window/tab/item/identity/gemini/widget/action/update.rs

@@ -5,6 +5,12 @@ pub struct Update {
     pub gobject: SimpleAction,
 }
 
+impl Default for Update {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl Update {
     // Constructors
 

src/app/browser/window/tab/item/identity/unsupported.rs

@@ -8,6 +8,12 @@ pub struct Unsupported {
     widget: Rc<Widget>,
 }
 
+impl Default for Unsupported {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl Unsupported {
     // Construct
 

src/app/browser/window/tab/item/identity/unsupported/widget.rs

@@ -12,6 +12,12 @@ pub struct Widget {
     gobject: AlertDialog,
 }
 
+impl Default for Widget {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl Widget {
     // Constructors